z97 extreme 6 ... can i populate both M.2 slots and run RAID 0
- Thread starter legrand40
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WyomingKnott
Legenda in Aeternum
- Aug 29, 2006
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Page 13 here implies that you can: http://asrock.pc.cdn.bitgravity.com/Manual/RAID/Z97%20Extreme6/English.pdf .
Note that the drives must be in AHCI mode, not NVMe mode.
Personally, I would recommend against doing this. RAID0 is fragile, the ports are mismatched (1 3.0 x4, 1 2.0 x2), and I'd just use a larger m.2 drive on the faster port.
Note that the drives must be in AHCI mode, not NVMe mode.
Personally, I would recommend against doing this. RAID0 is fragile, the ports are mismatched (1 3.0 x4, 1 2.0 x2), and I'd just use a larger m.2 drive on the faster port.
Thanks WyomingKnot..
I knew the ports were mismatched and should have indicated that in my question. I will take your advice and not configure the M.2 slots with RAID. I am curious as to "RAID 0 is fragile". Is that in a situation of mismatched ports like this or your not a big fan of RAID 0 ?
I knew the ports were mismatched and should have indicated that in my question. I will take your advice and not configure the M.2 slots with RAID. I am curious as to "RAID 0 is fragile". Is that in a situation of mismatched ports like this or your not a big fan of RAID 0 ?
WyomingKnott
Legenda in Aeternum
- Aug 29, 2006
- 13,249
- 3
- 51,960
I am a big fan of RAID when it is used to accomplish a specific goal for which it is appropriate.
On the other hand, I believe that a large majority of people who ask about RAID do not need to use it, as they don't have one of those specific goals.
On the third hand, having fun and testing it out as a learning experience is a good goal! I used to keep an eight-drive RAID box in my home just for benchmarking.
Specifically
RAID 0 is not RAID in the original sense of the term, in which the R stands for Redundant. The idea of RAID was to use disks to build a more reliable and possibly faster storage system. RAID 0 stripes the data across two drives of the same size to potentially double the possible transfer rate.
However, if one drive fails all the data is lost. There is no recovery from a failed RAID0 array. Especially with SSDs, rather than build a RAID0 of two 500 GB SSDs I would buy one 1TB SSD and trust that the manufacturer did a good optimization of having double the memory.
tl;dr
RAID0 loses all data if one drive fails, and probably loses all data if the RAID is broken.
Having one SSD of twice the capacity will likely be faster than two SSDs in RAID 0.
On the other hand, I believe that a large majority of people who ask about RAID do not need to use it, as they don't have one of those specific goals.
On the third hand, having fun and testing it out as a learning experience is a good goal! I used to keep an eight-drive RAID box in my home just for benchmarking.
Specifically
RAID 0 is not RAID in the original sense of the term, in which the R stands for Redundant. The idea of RAID was to use disks to build a more reliable and possibly faster storage system. RAID 0 stripes the data across two drives of the same size to potentially double the possible transfer rate.
However, if one drive fails all the data is lost. There is no recovery from a failed RAID0 array. Especially with SSDs, rather than build a RAID0 of two 500 GB SSDs I would buy one 1TB SSD and trust that the manufacturer did a good optimization of having double the memory.
tl;dr
RAID0 loses all data if one drive fails, and probably loses all data if the RAID is broken.
Having one SSD of twice the capacity will likely be faster than two SSDs in RAID 0.
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